CVE-2023-50943 - CVE House

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Status published Unknown CVE-2023-50943

Apache Airflow: Potential pickle deserialization vulnerability in XComs

0 CVSS

Vulnerability Description

Apache Airflow, versions before 2.8.1, have a vulnerability that allows a potential attacker to poison the XCom data by bypassing the protection of "enable_xcom_pickling=False" configuration setting resulting in poisoned data after XCom deserialization. This vulnerability is considered low since it requires a DAG author to exploit it. Users are recommended to upgrade to version 2.8.1 or later, which fixes this issue.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Peng Zhou (zpbrent@gmail.com)
Hussein Awala

References

More from Apache Software Foundation

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Apache Uniffle: Insecure SSL Configuration in Uniffle HTTP Client

Apache Struts, Apache Struts: XXE vulnerability in outdated XWork component

Affected Vendor

Apache Software Foundation

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Affected Software

Apache Airflow

Vulnerable Versions:

0

Timeline

Official Publish: January 24th, 2024

Last Modified: May 30th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1059 Command and Scripting Interpreter

T1505.003 Web Shell

T1105 Ingress Tool Transfer

Command and Control

T1068 Exploitation for Privilege Escalation

Privilege Escalation